Beatmup::QuadByteBitmapReader Class Reference

Quad byte bitmap reader. More...

#include <bitmap_access.h>

Inheritance diagram for Beatmup::QuadByteBitmapReader:

Public Types
typedef pixint4	pixtype
Public Types inherited from Beatmup::CustomBitmapScanner< pixbyte, 4 >
typedef pixbyte	pixvaltype

Public Member Functions
pixint4	operator() () const
pixint4	operator() (int x, int y) const
const pixint4	operator[] (int i) const
	Retrieves a value at position shifted by i pixels in scanline order with respect to the current position. More...
	QuadByteBitmapReader (const AbstractBitmap &bitmap, int x=0, int y=0)
Public Member Functions inherited from Beatmup::CustomBitmapScanner< pixbyte, 4 >
bool	operator< (const CustomBitmapScanner &another) const
pixbyte *	operator* () const
void	operator++ (int)
	Move the current position ONE PIXEL forward. More...
void	operator+= (const int n)
	Move the current position N pixels forward. More...
void	goTo (int x, int y)
	Changes current position. More...
int	getWidth () const
	Returns bitmap width in pixels. More...
int	getHeight () const
	Returns bitmap height in pixels. More...
	CustomBitmapScanner (const AbstractBitmap &bitmap, int x=0, int y=0)

Public Attributes
const int	MAX_VALUE = 255
Public Attributes inherited from Beatmup::CustomBitmapScanner< pixbyte, 4 >
const int	NUMBER_OF_CHANNELS

Additional Inherited Members
Protected Member Functions inherited from Beatmup::CustomBitmapScanner< pixbyte, 4 >
pixbyte *	jump (int x, int y) const
	Retrieves pixel address at a given position;. More...
Protected Attributes inherited from Beatmup::CustomBitmapScanner< pixbyte, 4 >
pixbyte *	data
	bitmap data More...
pixbyte *	ptr
	pointer to the current pixel More...
int	width
int	height
	bitmap sizes in pixels More...

Detailed Description

Quad byte bitmap reader.

Definition at line 211 of file bitmap_access.h.

Member Typedef Documentation

pixtype

typedef pixint4 Beatmup::QuadByteBitmapReader::pixtype

Definition at line 213 of file bitmap_access.h.

Constructor & Destructor Documentation

QuadByteBitmapReader()

Beatmup::QuadByteBitmapReader::QuadByteBitmapReader ( const AbstractBitmap &  bitmap, int  x = 0, int  y = 0  )

inline

Definition at line 234 of file bitmap_access.h.

: CustomBitmapScanner(bitmap, x, y) {}

Member Function Documentation

operator()() [1/2]

pixint4 Beatmup::QuadByteBitmapReader::operator() ( ) const

inline

Definition at line 217 of file bitmap_access.h.

                                          {
            return pixint4(ptr[CHANNELS_4.R], ptr[CHANNELS_4.G], ptr[CHANNELS_4.B], ptr[CHANNELS_4.A]);
        }

operator()() [2/2]

pixint4 Beatmup::QuadByteBitmapReader::operator() ( int  x, int  y  ) const

inline

Definition at line 221 of file bitmap_access.h.

                                                      {
            int i = 4 * (y * width + x);
            return pixint4(data[i + CHANNELS_4.R], data[i + CHANNELS_4.G], data[i + CHANNELS_4.B], data[i + CHANNELS_4.A]);
        }

operator[]()

const pixint4 Beatmup::QuadByteBitmapReader::operator[] ( int  i ) const

inline

Retrieves a value at position shifted by i pixels in scanline order with respect to the current position.

Definition at line 229 of file bitmap_access.h.

                                                     {
            const pixbyte* p = ptr + 4 * i;
            return pixint4(p[CHANNELS_4.R], p[CHANNELS_4.G], p[CHANNELS_4.B], p[CHANNELS_4.A]);
        }

Member Data Documentation

MAX_VALUE

const int Beatmup::QuadByteBitmapReader::MAX_VALUE = 255

Definition at line 215 of file bitmap_access.h.

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The documentation for this class was generated from the following file:

• core/bitmap/bitmap_access.h